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80255855208 = 23311833282599
BaseRepresentation
bin100101010111110011…
…1110010101001101000
321200011011112212100210
41022233213302221220
52303330444331313
6100511413301120
75540546341104
oct1125747625150
9250134485323
1080255855208
1131044379971
12136796347a0
137750147629
143c54b3a904
15214abac9c3
hex12af9f2a68

80255855208 has 32 divisors (see below), whose sum is σ = 200657304000. Its totient is φ = 26749596288.

The previous prime is 80255855171. The next prime is 80255855227.

80255855208 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142693 + ... + 425291.

It is an arithmetic number, because the mean of its divisors is an integer number (6270540750).

Almost surely, 280255855208 is an apocalyptic number.

It is an amenable number.

80255855208 is an abundant number, since it is smaller than the sum of its proper divisors (120401448792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80255855208 is a wasteful number, since it uses less digits than its factorization.

80255855208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294441 (or 294437 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 48.

The spelling of 80255855208 in words is "eighty billion, two hundred fifty-five million, eight hundred fifty-five thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 24 11833 23666 35499 47332 70998 94664 141996 282599 283992 565198 847797 1130396 1695594 2260792 3391188 6782376 3343993967 6687987934 10031981901 13375975868 20063963802 26751951736 40127927604 80255855208